Matheson has
189 Flowmeters Specialty Gas Handling equipment is our business. Matheson has engineered 189 different flowmeters, all of which feature accuracy, precision, quality and durability. When you buy from Matheson, our experience and technology allow you to measure the flow of over 130 different gases.
Electronic Mass Flow Controllers And 150mm Flowmeter Units, 7600 Series I Matheson's most versatile rotameter series. Flowmeters These electronic units sense the mass flow of gas by measuring the differential cooling between two points. They are dependent on heat capacity and provide accurate readings r e g a r d l e s s of t e m p e r a t u r e a n d p r e s s u r e changes in the gas stream. All meter circuitry is solid state. The long list· of units includes over 30 linear models ideal for use with in tegrators, totalizers and computer data re duction equipment. Mass flow controllers incorporate a valve con trolled by the flow transducer to reduce or increase flow to maintain a constant stream. CIRCLE 3 6 O N READER SERVICE CARD
The Gas Proportioner A 2-component mixture with component ac curacy to ± 5 % can be made with this unit. Most simply it consists of 2-150mm tubes, a mixing tube, valves (we recommend high ac curacy valves) and is compensated for back pressure by outlet valves. A high sensitivity regulator (Matheson's No. 8) is a necessary accessory. You specify the mixture you need — Matheson does the rest. CIRCLE 3 7 O N READER SERVICE CARD
Can be panel or bench mounted with the valve on the outlet or inlet. Accuracy of 3 % and 5% of full scale depending upon the rate of flow. The series offers a wide selection of flowmeter tubes with ranges from 0.Q084 SCFH to 104 SCFH. Floats of glass, stainless steel, and tantalum. Accessories of brass, stainless s t e e l , and M o n e l . A v a i l a b l e w i t h v a r i o u s needle valves including Matheson's new PC metering valve. Typical calibration curves for many gases available. 24 basic models to choose from.
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Acrylic Purge Meters, 7260 Series These have an accuracy of 10% full scale. They are low-priced units for use with noncorrosive gases. Direct reading scales indi cate maximum flows from 0.01 to 50 SCFH of air. This series can by easily panel mounted. The acrylic body is protected by an aluminum frame. Pressure is rated at 100 psig, tempera ture to 150°F. Four standard ranges available. CIRCLE 4 0 O N READER SERVICE CARD
65mm Flowmeter Units, 7200 Series 150mm Four Tube Flowmeter Units, 7400 Series Four tube units can produce 3 and 4 com This glass flowmeter is accurate to 5 % of full ponent gas mixtures, or permit metering of 4 separate streams of gases by changing the configurations. You can specify 3 tube mixers and a mixing tube to produce a homogeneous mixture of 3 gases. Or, 4 tubes and one dis charge port to produce a 4 component mix ture. Four tubes and 4 outlets permit the monitoring of 4 separate streams. Specifica tions are the same as those for the 150mm Series. Two models available in brass and 316 stainless steel. CIRCLE 3 8 O N READER SERVICE CARD
scale. It possesses a single float and is cali brated to read directly in SCFH of air (the series range is 0.2 to 45 max SCFH air). Cor rection factors for many gases are available. Fittings are of aluminum and stainless steel. Pressure to 200 psig; temperature to 250°F. Five standard ranges are available. CIRCLE 41 O N READER SERVICE CARD
Flowmeter Calibration Services Calibration of all Matheson flowmeters can be provided for virtually any gas and pressure. An actual flowmeter calibration can increase accuracy of your flow measurements. The gases shown are a partial listing of some past calibrations. Air, argon, 1,3-butadiene, butane, carbon dioxide, carbon monoxide, cyclopropane, dimethyl ether, ethane, ethylene, helium, hydrogen, isobutane, isobutylene, methane, methyl acetylene, nitrogen, nitrous oxide, oxygen, propane, propylene, refrigerants, sulfur hexafluoride and vinyl chloride. CIRCLE 4 2 O N READER SERVICE CARD
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C&ENSept. 12, 1977
atlheson L y n d h u r s t , hsi. J. 0 7 0 7 1
East Rutherford, N.J. 07073 Morrow, Georgia 30260 Bridgeport, N.J. 08014 Gloucester, Massachusetts 01930 Joliet, Illinois 60434 La Porte, Texas 77571 Cucamonga, California 91730
Newark, California 94560 Hanover, Maryland 21076 Whitby, Ontario, Canada L I Ν 5R9 Edmonton, Alberta Canada T5B 4K6 Β 2431 Oevel, Belgium 6056 Heusenstamm, West Germany
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